HP P2015d HP LaserJet P2015 - Software Technical Reference - Page 78
.NET Framework dependencies, system. The HP ToolboxFX software installs the .NET Framework 1.1 - error codes
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● USB drivers are unsigned ● Enable or disable HP ToolboxFX .NET Framework dependencies Because the HP ToolboxFX is implemented using .NET technologies, the Microsoft .NET Framework must be installed on the users' system. When the HP ToolboxFX software installer runs, it silently installs Microsoft .NET Framework 1.1 (no service pack). However, some known issues with .NET Framework 1.1 (no service pack) might impact users. NOTE: If the .NET Framework 1.1 is already installed on the users' system at the time of the HP ToolboxFX software installation, the framework is not installed. The optimal system configuration for HP ToolboxFX includes all of the following items: ● Microsoft .NET Framework 1.1 (no service pack) as installed by the HP ToolboxFX software installer or by some other means ● Microsoft .NET Framework 1.1 Service Pack 1, available through Microsoft Windows Update ● Microsoft Windows Update, to download and install all critical updates NOTE: Continue to run Windows Update until a message appears that says no further critical updates are needed. If the optimal system configuration is not set up on the users' system, before or after the HP ToolboxFX software is installed, the user might experience errors in HP ToolboxFX as a result of defects in various portions of the Microsoft code. Specifically, HP ToolboxFX might intermittently report that it cannot connect to the device, with the following error message: Figure 2-34 HP ToolboxFX - sample error dialog These communication errors might be resolved by rebooting the computer, but the only way to address this problem permanently is to have the optimal system configuration. Another problem has been observed when Microsoft .NET Framework 2.0 is already installed on your system. The HP ToolboxFX software installs the .NET Framework 1.1, because HP ToolboxFX cannot use the .NET 2.0 Framework. After the installation, a Microsoft Windows update will not recognize that the .NET 1.1 framework requires .NET 1.1 Service Pack 1. Therefore, not all of the necessary security 60 Chapter 2 Software description ENWW